Sausage is a delicious food. It is a low-temperature meat product with traditional flavor of China, which is produced by modern western meat processing technology. It is a kind of food with pork, chicken and beef as the main raw materials, which is processed through the processes of mincing, pickling, adding auxiliary materials, vacuum filling, smoking and baking, aseptic vacuum packaging and so on. It needs the whole cold chain distribution and storage. The first reaction of meat in sausage is pork, and there will definitely be some. The pork in the sausage accounts for half. Depending on the technology and cost, pork leg will be added to different sausages (this kind of meat costs more), and chicken breast and chicken skin with lower cost will also be added. In addition to all kinds of meat, sausage will also add starch, soybean protein, pigment, essence and so on.